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ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower vs Thermalright Peerless Assassin 120 Mini Black CPU

Updated August 2026 — ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower wins on aesthetics and build quality, Thermalright Peerless Assassin 120 Mini Black CPU wins on compatibility.

The ID-COOLING FROZN A620 PRO SE offers better cooling performance and a lower price, while the Thermalright Peerless Assassin 120 Mini Black is quieter and has a strong brand reputation.

Why ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower is better

Price

ID-COOLING is $29.99 compared to Thermalright's $34.39.

Cooling

Dual fans provide superior cooling performance.

Height

Fits in more cases with a height of 157mm.

Why Thermalright Peerless Assassin 120 Mini Black CPU is better

Noise

Quieter operation at 25.6 dB(A) compared to 27.2 dB(A).

Brand

Thermalright has over 20 years of experience.

Design

Fully blackened aesthetic with antioxidant coating.

Overall score

ID-COOLING FROZN A620 PRO SE - Blackout Dual-Tower
85
Thermalright Peerless Assassin 120 Mini Black CPU
80

Specifications

SpecID-COOLING FROZN A620 PRO SE - Blackout Dual-TowerThermalright Peerless Assassin 120 Mini Black CPU
Price$29.99$34.39
Noise Level27.2 dB(A)25.6 dB(A)
Fan RPMPWM1500 RPM
RAM Clearance40mmN/A
CompatibilityIntel LGA1700/1851/1200/115X; AMD AM4/AM5Intel LGA1851/1700/1150/1151/1200/2011; AMD AM4/AM5

Dimension comparison

ID-COOLING FROZN A620 PRO SE - Blackout Dual-TowerThermalright Peerless Assassin 120 Mini Black CPU

Price Comparison

The ID-COOLING FROZN A620 PRO SE is priced at $29.99, while the Thermalright Peerless Assassin 120 Mini Black is slightly more expensive at $34.39. This makes the ID-COOLING cooler about 13% cheaper than its competitor. If budget is a primary concern, the FROZN A620 PRO SE offers a more economical choice without sacrificing performance. However, the price difference may be justified by the features and brand reputation associated with each cooler, which warrants a closer examination beyond just the initial cost.

Design and Build Quality

In terms of design, the ID-COOLING FROZN A620 PRO SE boasts a sleek blackout finish that can seamlessly integrate into various PC builds, particularly those using darker color schemes. Its dual-tower design stands at 157mm tall, making it a versatile option for most tower cases. The Thermalright Peerless Assassin 120 Mini Black also embraces a fully blackened aesthetic, which is enhanced by an antioxidant coating and CNC precision micro-engraved copper base. However, it is notably shorter at 135mm, which may provide more compatibility with compact cases. Both coolers demonstrate quality build, but the choice may depend on specific aesthetic preferences and case compatibility.

Cooling Performance

When it comes to cooling performance, both coolers utilize advanced heat pipe technology. The ID-COOLING FROZN A620 PRO SE features six Ф6mm copper heat pipes designed for efficient heat absorption and dissipation. It is equipped with dual 120mm PWM fans, ensuring excellent airflow and cooling efficiency. In contrast, the Thermalright Peerless Assassin 120 Mini Black also has six heat pipes, utilizing AGHP technology for enhanced heat dissipation. Its single 120mm PWM fan operates at a maximum speed of 1500 RPM, offering a maximum airflow of 66.87 CFM. While both products aim for superior cooling, the dual-fan setup of the ID-COOLING may provide superior thermal management under heavy loads.

Noise Levels

Noise levels are a critical factor for many users, especially in quiet environments. The ID-COOLING FROZN A620 PRO SE operates at a maximum noise level of 27.2 dB(A), which is relatively quiet for a dual-fan cooler. On the other hand, the Thermalright Peerless Assassin 120 Mini Black offers a slightly quieter performance, with a maximum noise level of 25.6 dB(A). This difference of 1.6 dB(A) may seem minimal, but in a silent PC build, every decibel counts. For users seeking a quieter operation, the Peerless Assassin may be the more appealing option.

RAM Compatibility

RAM clearance is an important aspect of CPU cooler design, especially for those building high-performance systems with taller RAM modules. The ID-COOLING FROZN A620 PRO SE provides 40mm of clearance for standard RAM, with additional room for modules up to 63mm in height, thanks to its cut-out fin design. The Thermalright Peerless Assassin 120 Mini Black does not specify its RAM clearance but is generally designed to fit a variety of setups. Users with tall RAM may want to consider the FROZN A620 PRO SE for its explicit compatibility, which can help avoid conflicts with memory modules.

Brand Reputation

Brand reputation can influence purchasing decisions, especially in the competitive CPU cooler market. ID-COOLING, known for a range of cooling solutions, emphasizes aesthetic appeal and solid performance in its designs. Meanwhile, Thermalright has built a strong reputation over more than 20 years, focusing on R&D for various computer accessories. Their experience may lend a sense of reliability to the Peerless Assassin 120 Mini Black. While both brands produce quality products, some consumers may lean toward Thermalright due to its established history and market influence.

Installation and Compatibility

Installation ease is vital for builders of all experience levels. The ID-COOLING FROZN A620 PRO SE is compatible with Intel LGA1700/1851/1200/115X and AMD AM4/AM5 sockets, ensuring broad compatibility with modern CPUs. The Thermalright Peerless Assassin 120 Mini Black supports a similar range of sockets, including Intel LGA 1851/1700/1150/1151/1200/2011 and AMD AM4/AM5. Both coolers come with mounting kits that facilitate straightforward installation. However, the additional height and dual-fan design of the FROZN A620 PRO SE may require more careful consideration during installation in tighter cases.

Which should you buy?

Choosing between the ID-COOLING FROZN A620 PRO SE and the Thermalright Peerless Assassin 120 Mini Black depends on your specific needs and preferences. The FROZN A620 PRO SE stands out with its lower price of $29.99 and dual-fan design that likely offers superior cooling performance, especially for overclocked systems. Meanwhile, the Peerless Assassin 120 Mini Black, priced at $34.39, provides a quieter operation and a long-standing brand reputation. If noise is your primary concern, the Thermalright cooler may be the better choice. Ultimately, both coolers offer excellent performance, and your decision may hinge on price, design, and specific compatibility requirements.